Résultats de la recherche
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
frequently caught species. The ecosystem interactions and function of all lithodids in the region remain ... Patagonian toothfish (Dissostichus eleginoides) at South Georgia (Agnew et al., 2001). Laboratory studies ... catch (tonnes) July/August 1992 Pro Surveyor (USA) Paralomis sp. 299 September 1995–January 1996 ... American Champion (USA) P. spinosissima 497 August 1999 (14 days) Argos Helena (GBR) P. spinosissima and P ... /07 (3 days) Argos Georgia (GBR) P. spinosissima and P. formosa 0.3 August–October 2010 Tamango (RUS ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Auteur(s): Belchier, M., T. Peatman and J. Brown
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
as a proxy for phytoplankton abundance (Bidigare et al., 1996; Smith et al., 2001; Murphy et al ... ) University Center for Atmospheric Research Climate Analysis Section Data Catalogue7. Ice extent Average ... Lynch et al. 158 in mean clutch initiation date was only ~15 days (between 2001 and 2002 at both Cape ... , 2001–2007. Mar. Ornithol., 36: 83–97. 161 Timing of clutch initiation in Pygoscelis penguins Lynch ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Auteur(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece
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Antarctic krill and ecosystem management – from Seattle to Siena
over 500 000 tonnes in 1982 and a total of 6.1 million tonnes being taken between 1973 and 2001 ... , 1998). From the ‘one-way’ interaction model developed (i.e. where fl uctuations in krill abundance ... de- velop ecosystem assessments as a means to obtain some indication of ‘ecosystem health’, taking ... section on WG-EMM below). Implications of Links between Krill and Environmental Parameters Flux WG ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Auteur(s): Miller, D.G.M
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
distribution, timing and area of spawning, and movements between geographical sectors) on the adult section of ... area of spawning, and movements between geographical sectors) on the adult section of the exploited ... operating in the fishery, having replaced the trawlers completely in 2001/02. Legal catches have been ... 5) only were studied for a period ranging from March to August, as this period is thought to cover ... Trawling (1979 to 2001) The first model described CPUE (kg/hour trawling) (Table 2): CPUE (kg/h) = α ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost
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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... 2001/02, some catch was reported from APBSE and APBSW during the June–August period (mid-winter ... , operational timing has remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In ... statistics were obtained from the public domain section of the CCAMLR website, and the fine-scale data were ... the Antarctic krill fishery (a: December–February; b: March–May; c: June– August; d: September ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
magazine/hour. 50-100 kg anchors which sank the mother line quickly to target depths (thereby reducing ... dive recorders were made on the second magazine deployed in a set, a set usually involving eight ... 12 X 6.5 kg weights/magazine as described above. After four days fishing the CFL Pioneer caught in ... further behind the vessel) and weights were deployed every 70 m (i.e. 16 weights/magazine) on the ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Auteur(s): Robertson, G.G
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Scientific observations in CCAMLR fisheries – past, present and future
Hauling information Environmental conditions Marine mammal interaction with fishing gear Seabird by ... version which can be downloaded from the publications section of the CCAMLR website (www.ccamlr.org ... section should be completed. 3. Guidelines for scientifi c observers • maturity scales for the main ... introduced in 2000. na – not applicable. Logbook format 1996 1997 1998 1999 2000 2001 2002 2003 2004 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
presence and the consequences of interaction with different types of gear, a risk-management framework is ... potential VMEs; scale of interactions between fishing activities and VMEs; impact of interactions on VMEs ... interactions of bottom fishing gear with VMEs and associated uncertainties from risk analysis is combined to ... of uncertainty surrounding both the evidence of VME presence and the consequences of interaction ... process of interaction of VMEs with bottom fishing activi- ties. For temporal scale, the reciprocal of ... extent on commercial vessels providing for direct visual observation of a small section of line ... or longlines, for which very little information exists (Eno et al., 2001; Johnson, 2002; Troffe et ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Auteur(s): Martin-Smith, K
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
’ section also assesses which variables it is necessary to measure in order to infer the state of the ... formulation of Constable’s (2001) multi-species model in Hill et al. (2006). It is modified to include ... Constable (2001), and harvesting and movement are represented with additive loss or gain terms. Hill ... modelled as normally distributed random vari- ables in each area (Constable, 2001): ( )2, ~ , ii k i KKK σ ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
bottom longline in the Ross Sea during the 2001 and 2002 fishing seasons was analysed (3 937 and 5 426 ... stomachs examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged ... and ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002 ... identification difficult. Fish were the most important prey category (% F = 86 in 2001 and % F = 77 in 2002), in ... : 105–124. Goldsworthy, S.D., X. He, G.N. Tuck, M. Lewis and R. Williams. 2001. Trophic interactions ... longline in the Ross Sea during the 2001 and 2002 fi shing seasons was analysed (3 937 and 5 426 stomachs ... examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged from 58 ... ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002) and ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Auteur(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet